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EMC1412 PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 EMC1412
기능 Multiple Channel Temperature Sensor
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EMC1412 데이터시트, 핀배열, 회로
EMC1412
Multiple Channel 1°C
Temperature Sensor with
Beta Compensation
PRODUCT FEATURES
Datasheet
General Description
The EMC1412 is a high accuracy, low cost, System
Management Bus (SMBus) temperature sensor.
Advanced features such as Resistance Error Correction
(REC), Beta Compensation (to support CPU diodes
requiring the BJT/transistor model including 45nm,
65nm and 90nm processors) and automatic diode type
detection combine to provide a robust solution for
complex environmental monitoring applications.
The EMC1412 monitors two temperature channels (one
external and one internal). It provides ±1°C accuracy for
both external and internal diode temperatures.
Resistance Error Correction automatically eliminates the
temperature error caused by series resistance allowing
greater flexibility in routing thermal diodes. Beta
Compensation eliminates temperature errors caused by
low, variable beta transistors common in today's fine
geometry processors. The automatic beta detection
feature monitors the external diode/transistor and
determines the optimum sensor settings for accurate
temperature measurements regardless of processor
technology. This frees the user from providing unique
sensor configurations for each temperature monitoring
application. These advanced features plus ±1°C
measurement accuracy provide a low-cost, highly
flexible and accurate solution for critical temperature
monitoring applications.
Applications
„ Notebook Computers
„ Desktop Computers
„ Industrial
„ Embedded applications
Features
„ Programmable SMBus address
„ Support for diodes requiring the BJT/transistor model
— supports 45nm, 65nm, and 90nm CPU thermal diodes
„ Automatically determines external diode type and
optimal settings
„ Resistance Error Correction
„ External Temperature Monitor
— ±1°C max accuracy (20°C < TDIODE < 110°C)
— 0.125°C resolution
— Supports up to 2.2nF diode filter capacitor
„ Internal Temperature Monitor
— ±1°C accuracy
— 0.125°C resolution
„ 3.3V Supply Voltage
„ Programmable temperature limits for ALERT and
THERM
„ Available in small 8-pin 2mm x 3mm TDFN lead-free
RoHS compliant package
„ Available in small 8-pin MSOP lead-free RoHS
compliant package
SMSC EMC1412
DATASHEET
Revision 1.41 (02-23-12)




EMC1412 pdf, 반도체, 판매, 대치품
Multiple Channel 1°C Temperature Sensor with Beta Compensation
Datasheet
7.3
7.4
7.5
7.6
7.7
7.8
7.9
7.10
7.11
7.12
7.13
7.14
7.15
7.16
7.17
Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Configuration Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Conversion Rate Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Limit Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Scratchpad Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
One Shot Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Therm Limit Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Channel Mask Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Consecutive ALERT Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Beta Configuration Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
External Diode Ideality Factor Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Filter Control Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Product ID Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
SMSC ID Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Revision Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Chapter 8 Typical Operating Curves. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Chapter 9 Package Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
9.1 Package Markings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Chapter 10 Document Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Revision 1.41 (02-23-12)
4
DATASHEET
SMSC EMC1412

4페이지










EMC1412 전자부품, 판매, 대치품
Multiple Channel 1°C Temperature Sensor with Beta Compensation
Datasheet
Chapter 1 Block Diagram
DP
DN
ALERT
THERM / ADDR
EMC1412
Switching
Current
Analog
Mux
Internal Temp
Diode
ΔΣ ADC
Interupt Masking
SMBus Address Decode
VDD
External Temperature
Register(s)
Internal
Temperature Register
GND
Status Registers
Conversion Rate Register
Low Limit Registers
High Limit Registers
THERM Limit Register
THERM Hysteresis Register
Configuration Register
Figure 1.1 EMC1412 Block Diagram
Chapter 2 Delta
2.1 Functional Delta from EMC1412 rev A to rev B
1. Updated revision number to 04h.
SMCLK
SMDATA
SMSC EMC1412
7
DATASHEET
Revision 1.41 (02-23-12)

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부품번호상세설명 및 기능제조사
EMC1412

Multiple Channel Temperature Sensor

SMSC Corporation
SMSC Corporation
EMC1412

Multiple Channel Temperature Sensor

Microchip
Microchip

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